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62 lines
1.9 KiB
62 lines
1.9 KiB
# Example config for a long trace periodically flushed into the
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# target file. See docs/long-traces.md for more.
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# Enable periodic flushing of the trace buffer into the output file.
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write_into_file: true
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# Max duration: 30 mins.
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duration_ms: 1800000
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# Writes the userspace buffer into the file every 2.5 seconds.
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file_write_period_ms: 2500
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# Commits the trace from the shared memory buffer to the central buffer
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# periodically. Otherwise, the --full-sort option will be required for
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# trace_processor_shell and traceconv when importing the trace.
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flush_period_ms: 20000
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# The trace buffers needs to be big enough to hold |file_write_period_ms| of
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# trace data. The trace buffer sizing depends on the number of trace categories
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# enabled and the device activity. A good rule of thumb is ~10-20 MB per second,
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# so if |file_write_period_ms| ~ 3s -> 30 MB.
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buffers {
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size_kb: 32768
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fill_policy: RING_BUFFER
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}
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# Enable various data sources as usual.
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data_sources {
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config {
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name: "linux.ftrace"
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target_buffer: 0
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ftrace_config {
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# These parameters affect only the kernel trace buffer size and how
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# frequently it gets moved into the userspace buffer defined above.
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buffer_size_kb: 16384
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drain_period_ms: 250
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ftrace_events: "cpu_frequency"
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ftrace_events: "cpu_idle"
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ftrace_events: "sched_process_exec"
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ftrace_events: "sched_process_exit"
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ftrace_events: "sched_process_fork"
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ftrace_events: "sched_process_free"
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ftrace_events: "sched_process_hang"
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ftrace_events: "sched_process_wait"
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ftrace_events: "sched_switch"
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ftrace_events: "sched_wakeup_new"
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ftrace_events: "sched_wakeup"
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ftrace_events: "sched_waking"
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ftrace_events: "task_newtask"
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ftrace_events: "task_rename"
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ftrace_events: "tracing_mark_write"
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}
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}
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}
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data_sources {
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config {
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name: "linux.process_stats"
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target_buffer: 0
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}
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}
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